class Rectangle: def __init__(self, width, height): self._width = width self._height = height @property def area(self): return self._width * self._height @property def perimeter(self): return 2 * (self._width + self._height)数据转换和格式化 class Temperatu...
1. property是一个类,其作用是用来包装类的属性,这个属性可以根据实际需要,控制是否可读(设置fget参数)、可写(设置fset参数)、可删除(设置fdel参数)。 class C: def __init__(self): self._x = '_x in C' def getx(self): return self._x def setx(self, value): self._x = value def delx(...
self.name,self.age,self.sex,self.class_name )) print('课程信息:') forcourseinself.course: course.tell_info() cour1 = Course('python开发','6 months','20000') cour2 = Course('linux运维','6 months','18000') class1 = Class('python14期') class1.related_cours...
Return a property attribute for new-style classes (classes that derive from object). fget is a function for getting an attribute value, likewise fset is a function for setting, and fdel a function for del'ing, an attribute. Typical use is to define a managed attribute x: classC(object):...
由于python进行属性的定义时,没办法设置私有属性,因此要通过@property的方法来进行设置。这样可以隐藏属性名,让用户进行使用的时候无法随意修改。 class DataSet(object): def __init__(self): self._images = 1 self._labels = 2 #定义属性的值 ...
property是Python中的一类装饰器,可以把某个类函数变成只读属性。 比如下面的这些代码 代码语言:txt AI代码解释 class Student(object): def __init__(self, name, age): self._name = name self._age = age @property def name(self): return self._name ...
class C(object): y = 3 z = 4 def __init__(self): self.__x = 2 def getx(self): return self.__x def setx(self, val): print "x is read only" x = property(getx, setx) #这不是真正的只读属性, 虽然在setx中,没有更新__x, 但你仍可对x属性赋值, 虽然复制不生效, 但也不报错...
classStudent:def__init__(self, first_name, last_name):self.first_name = first_name self.last_name = last_name @property defname(self):print("Getter for the name")returnf"{self.first_name}{self.last_name}"@name.setter defname(self, name):print("Setter for the name")self.first_...
classStudent:def__init__(self,name):self._name=name # name 是特性了,所以用实例变量存储特性的值的是换个变量名!!!@property defname(self):returnself._name @name.setter defname(self,name):iftype(name)is str andlen(name)>2:self._name=nameelse:print("你提供的值"+str(name)+"不合法!"...
With property(), you can attach implicit getter and setter methods to given class attributes. You can also specify a way to handle attribute deletion and provide an appropriate docstring for your properties. Here’s the full signature of property(): Python Syntax property([fget=None, fset=Non...